When designing motion graphics in Adobe After Effects there are times you just need to create a plain old layer to apply effects to. Solids are just right for this purpose, and for lots of other uses in After Effects.
This video is aimed at a basic level. It shows you how to create solid-color layers and walks you through some of their uses.
You can find more free videos like these from our After Effects CS5 Learn by Video product on the video2brain website. Please enjoy them – happy keyframing!